Intel Xeon w3 2425 's Advantages
Released 9 years and 5 months late
Higher specification of memory (4400 vs 1866)
Newer PCIe version (5 vs 3)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E5 1660 v2 's Advantages
Higher base frequency (3.7GHz vs 3GHz)